Analysis
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max time kernel
87s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
18-04-2022 12:40
Static task
static1
Behavioral task
behavioral1
Sample
424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe
Resource
win10v2004-20220414-en
General
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Target
424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe
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Size
878KB
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MD5
0e26ef9a028fbc3deb0a67809b5ce0cb
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SHA1
2ea7ed61e3327d8255d4b0bafa6b87873ee5dbf4
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SHA256
424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa
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SHA512
5f554de99249785334a02f29b8650979d7263a2367de9858c21eaf61caaf211c44872beb01573371f6b34c5673d0a56962a9a1cef03807c9148facd63a723ff9
Malware Config
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4676-138-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger -
Executes dropped EXE 1 IoCs
Processes:
AddInProcess32.exepid process 4676 AddInProcess32.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
AddInProcess32.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation AddInProcess32.exe -
Loads dropped DLL 2 IoCs
Processes:
424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exepid process 4184 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe 4184 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
Processes:
AddInProcess32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook AddInProcess32.exe Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 34 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exedescription pid process target process PID 4184 set thread context of 4676 4184 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe AddInProcess32.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exeAddInProcess32.exepowershell.exepid process 4184 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe 4676 AddInProcess32.exe 4676 AddInProcess32.exe 4676 AddInProcess32.exe 740 powershell.exe 740 powershell.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exeAddInProcess32.exepowershell.exedescription pid process Token: SeDebugPrivilege 4184 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe Token: SeTakeOwnershipPrivilege 4184 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe Token: SeRestorePrivilege 4184 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe Token: SeDebugPrivilege 4676 AddInProcess32.exe Token: SeDebugPrivilege 740 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exeAddInProcess32.exedescription pid process target process PID 4184 wrote to memory of 4676 4184 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe AddInProcess32.exe PID 4184 wrote to memory of 4676 4184 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe AddInProcess32.exe PID 4184 wrote to memory of 4676 4184 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe AddInProcess32.exe PID 4184 wrote to memory of 4676 4184 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe AddInProcess32.exe PID 4184 wrote to memory of 4676 4184 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe AddInProcess32.exe PID 4184 wrote to memory of 4676 4184 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe AddInProcess32.exe PID 4184 wrote to memory of 4676 4184 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe AddInProcess32.exe PID 4184 wrote to memory of 4676 4184 424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe AddInProcess32.exe PID 4676 wrote to memory of 740 4676 AddInProcess32.exe powershell.exe PID 4676 wrote to memory of 740 4676 AddInProcess32.exe powershell.exe PID 4676 wrote to memory of 740 4676 AddInProcess32.exe powershell.exe -
outlook_office_path 1 IoCs
Processes:
AddInProcess32.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe -
outlook_win_path 1 IoCs
Processes:
AddInProcess32.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe"C:\Users\Admin\AppData\Local\Temp\424837df31cc4e1161d0329c7ec5995b76747662ff8fc633d99ff7f95f3ca9fa.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4184 -
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4676 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe'3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:740
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b
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Filesize
42KB
MD59827ff3cdf4b83f9c86354606736ca9c
SHA1e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723
SHA256c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a
SHA5128261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579
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Filesize
42KB
MD59827ff3cdf4b83f9c86354606736ca9c
SHA1e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723
SHA256c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a
SHA5128261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579
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Filesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b